Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240519-ede26ahb56
  • SHA256 f4c8833b95732e318e0aa9264b6ec318f50154039775935798bbae9b9de6cafa
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • littlebirdyy-26683.portmap.host:26683

Mutex

  • 91a6c51e-b9c8-459f-82b5-8fd3ea82ad14

Attributes
  • encryption_key

    91837990C32A7683311E3E452264F10B98C1534B

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Service

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 f4c8833b95732e318e0aa9264b6ec318f50154039775935798bbae9b9de6cafa
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks